Hair cureer



M. C.l JONES Dec. 9, 1941.

HAIR CURLER Filed Feb. 29, 1940 Inventor" nard C. dones His Attohrwey.

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Patented Dec. 9, 1941 ieio Tao sears-s @Parent .orf-F1 ce vHAIR CURLER.

Maynard "0. Jones,' Burnt Hills,N.`.,Y., assigner to .Jones Instruments,Inc.,'.Ballston,Y N. Y.,"a"cor poration of New' York ApplicationFebruary 29, 1940,-fSeriaP-No.321,370

. arid; in the; embodiment illustrated; abiemetallic "3 Claims.

v ofY mercuryenclosed in' saidgglass .'tubeandwhich i fisicithe;usua1'form. `In other'words,A thebody .of'mercury which: is intendedto' respond tothe heat oftl'ieihair is comparatively short. .Incase anopening or iissure occurs in the hair: in" the region of .the body ofmercury, the temperature is higher than that of tl e hair for the reasonthat the hot vapor from the heated pad passes directly to the bulb ofthe thermometer and the thermal indicator gives a false reading which ishigher than it should be.

One of the objects of my invention is the provision of a combined haircurler and thermal indicator which gives the average temperature of thebar on which the hair is wound and of the hair itself which is wound onthe bar.

A further object of my invention is the provision of a bar on which thehair is wound and which is formed of good heat conducting material,preferably aluminum.

Other novel features of my invention will appear in the specilicationand will be particularly pointed out in the claims.

My invention will best be understood by reference to the accompanyingdrawing in which I have illustrated the preferred embodiment therer ofgood heat conducting material, preferably aluminum, on which the hair tobe curled is wound. The bar is provided with an axially extending,elongated opening l i in which is received a hollow cylindrical stem I2of a thermally respiral actuating .element I3A is.: anchored iat oneend; as at I4,A to the wall-oftheistem l2rnear one end .thereofv Ywhile.the ropposite: end I5' thereof is freezto.l rotate. .'I'o the free; endof ,the spiral: coil .xisvattachedzashaft or spindle.v I6 having its.bearing-,at l ina metaliicimember f8 secured inthe stem: l2..Ji-.pointer l9is attached totheiouter `end 'ofi the .'shaft' I 6 andmoves .over .aqdial I 9 l which is enclosed in a casing2..which.is,tiniturn, secured to the outer end of .thev.stem|2, the

...di'alzlbeingi` suitably :calibratedias at. 2 I 'The'. bar13;.-s3iprovided withi a clip 23:of'; .usualjform for 'retaining.theehair 'intpositionnnthe bar'. Il)` for sponsive device. The stem l2is formed of metal 55 :winding .I-Theiirontmf .the,casingistpreferably4closed byza;glasszplate'f22.

.The'clip 23iisipiv0- tally mounted as at 24 on the bar l). Referringnow to Fig. l, 25 is a clamping device comprising two sections pivotallyconnected together, only one of such sections being clearly shown inFig. 1. Such clamping device is of well known form and as the sameconstitutes no part of my invention, the same is not fully illustrated.

In using the device embodying my invention, a wisp or lock of hair isselected, and the clamping device 25 is placed over such lock close tothe scalp oi the patron, the end of the lock is then wound around thebar lil and the clip 23 is then placed over the lock. As soon as the barwith the clip is turned, the hair is secured in position on the bar bythe clip, and the hair also secures the clip in position. When the lockof hair is completely wound around the bar and the clip, the bar withthe hair wound thereon is attached to the clamping device 25 by placingan extension 26 of the bar IS in a support 2i, the opposite end of thebar being provided with a ratchet 28. By turning a handle E@ on the bar,the winding of the hair is completed, a pawl 3G mounted on the clampingdevice 25 engaging said ratchet and retaining the bar in position in anobvious manner.

It will be understood that the hair indicated at 3l is now surrounded bya pad 32. It will also be understood that the pad is treated with a wellknown curling solution which assists in perfecting the curlingoperation.

Heat is now applied to the pad 32 and in the embodiment of my inventionillustrated an electric heater indicated generally at 33 and cornprisingclamping bars 34 and 3M are pivotally connected together as at 35 and aspring 36 interposed between the two bars tends to force two segments 31and 31| towards each other and against the pad 32. It will be understoodthat the segments 3l and 3H are provided with electric heaters to whichare connected respective leads 38 and 38I, the heaters extending alongsubstantially the entire pad and bar l in Fig. 1.

When the segments are disposed as illustrated in Fig. 1 and currentapplied to the electric heater, the heat is transmitted to the pad 32,to the hair and from the hair to the bar I0. In turn heat is conductedfrom the bar to the bimetallic spiral coil and as the bar is formed ofgood heat conducting material, it is rapidly and evenly transmittedthroughout the entire bar,

and as the bi-metallic spiral coil is disposed in good heat conductingrelation to the bar, the lat'- ter is subjected to the averagetemperature of the entire bar and is not aiected by local condithecurling operation is complete.

While I have described my invention in its preferred embodiment, it isto be understood that the words which I have used are Words ofdescription rather than of limitation. Hence, changes within the purviewof the appended claims may be made Without departing from the true scopeand spirit of my invention in its broader aspects.

What I claim is:

1. In a hair curler of the character described a metallic bar formed ofgood heat conducting material on which hair may be Wound, said bar beingprovided with a longitudinally extending elongated opening, means forapplying heat to said bar along substantially the entire length thereof,an elongated heat actuated element receivable in said opening andextending throughout a substantial portion of the length thereof, saidelement being anchored at its inner end and rotatable at its outer end,and means connected to the rotatable end of said element for indicatingthe position of the outer end of said element and thereby indicating theaverage temperature of said bar.

2. In a hair curler of the character described, a metallic bar formed ofgood heat conducting material on which hair may be Wound, said bar beingprovided with a longitudinally extending elongated opening, means forapplying heat to said bar along substantially the entire length thereof,a bi-metallic spiral actuating element disposed in said opening andanchored at one end to said bar and rotatable at its opposite end, andmeans connected to the free end of said coil for indicating the averagetemperature of said bar.

3. In a hair curler of the character described, a metallic bar formed ofgood heat conducting material on which hair may be wound, said bar beingprovided with a longitudinally extending elongated opening, means forapplying heat to said bar along substantially the entire length thereof,a bi-metallic spiral actuating element disposed in said opening andanchored at one end to said bar, the opposite end. of said element beingrotatable, a rotatable shaft connected at one end to said actuatingelement, a dial, and a pointer connected to said shaft and Vmovable oversaid dial.

MAYNARD C, JONES.

